Learn how excluding volatile items in financial and economic data improves long-term trend analysis. Discover examples in corporate earnings and economic indices.
The Producer Price Index (PPI) is the official measure of producer prices within the U.S. economy. It measures the average change in selling prices for goods received by manufactures. The Producer ...
Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who ...